Articles | Volume 21, issue 24
https://doi.org/10.5194/bg-21-5725-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-5725-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
20 Dec 2024
Research article |
| 20 Dec 2024
| 20 Dec 2024
Seasonal and spatial pattern of dissolved organic matter biodegradation and photodegradation in boreal humic waters
Artem V. Chupakov
Institute of Ecological Problems of the North, N. Laverov Federal Center for Integrated Arctic Research, Nab Severnoi Dviny 23, Arkhangelsk 163000, Russia
Natalia V. Neverova
Institute of Ecological Problems of the North, N. Laverov Federal Center for Integrated Arctic Research, Nab Severnoi Dviny 23, Arkhangelsk 163000, Russia
Anna A. Chupakova
Institute of Ecological Problems of the North, N. Laverov Federal Center for Integrated Arctic Research, Nab Severnoi Dviny 23, Arkhangelsk 163000, Russia
Svetlana A. Zabelina
Institute of Ecological Problems of the North, N. Laverov Federal Center for Integrated Arctic Research, Nab Severnoi Dviny 23, Arkhangelsk 163000, Russia
Liudmila S. Shirokova
Institute of Ecological Problems of the North, N. Laverov Federal Center for Integrated Arctic Research, Nab Severnoi Dviny 23, Arkhangelsk 163000, Russia
Geoscience and Environment Toulouse, UMR 5563 CNRS, University of Toulouse, 14 Avenue Edouard Belin, Toulouse 31400, France
Taissia Ya. Vorobyeva
Institute of Ecological Problems of the North, N. Laverov Federal Center for Integrated Arctic Research, Nab Severnoi Dviny 23, Arkhangelsk 163000, Russia
Oleg S. Pokrovsky
CORRESPONDING AUTHOR
Geoscience and Environment Toulouse, UMR 5563 CNRS, University of Toulouse, 14 Avenue Edouard Belin, Toulouse 31400, France
BIO-GEO-CLIM Laboratory, Tomsk State University, 35 Lenina Pr., Tomsk 634050, Russia
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Cited
13 citations as recorded by crossref.
- Research trajectory and long-term trends of dissolved organic carbon in freshwater systems L. Hu & K. Shi https://doi.org/10.1039/D6EM00244G
- Summertime CO2 flux and its driving mechanisms in shellfish-dominated integrated multi-trophic aquaculture (IMTA) ponds C. Zhao et al. https://doi.org/10.1016/j.aquaculture.2026.743663
- Hydrological continuums across climate and permafrost gradients: Spatial patterns of organic carbon, greenhouse gases, and major and trace elements I. Krickov et al. https://doi.org/10.1016/j.watres.2026.125507
- Transformation of dissolved organic matter and associated metals in boreal mire and river waters: Effects of biota and sunlight O. Drozdova et al. https://doi.org/10.1016/j.watres.2025.123756
- A harmonized global prediction of biodegradable dissolved organic carbon in freshwater systems using optical indices and machine learning C. Lee et al. https://doi.org/10.1016/j.envres.2026.124308
- Unveiling the mechanistic in polarized light excited dissolved organic matter degrading contaminant: Energy transfer or electron transfer G. Wang et al. https://doi.org/10.1016/j.jece.2026.121805
- How the Physical and Chemical Properties Affect the Heavy Metal Content in Surface Water in Different Types of Peatlands S. Łyszczarz et al. https://doi.org/10.1002/ldr.70633
- pH control on the colloidal association of trace elements with iron and organic matter along the hydrological continuum of a tropical river floodplain V. Assoumou et al. https://doi.org/10.1016/j.scitotenv.2025.181000
- A review on the application of ultraviolet-visible spectrophotometry for analysis of dissolved organic matter in surface water B. Ishwah & M. Andrianova https://doi.org/10.1016/j.ecofro.2026.08.002
- Influence of Humic Substances on Phytoplankton Primary Production and Community Structure: A Review M. Golubkov https://doi.org/10.1134/S1995425525700866
- Greenhouse gases, organic carbon, major and trace elements in ultra-small water bodies (<100 m2) of permafrost peatlands: Assessment across seasons and permafrost gradient A. Lim et al. https://doi.org/10.1016/j.jhydrol.2025.133343
- Seasonal and spatial dynamics of greenhouse gases and organic carbon in peatland pools of western Siberia B. Mikhaleiko et al. https://doi.org/10.1016/j.catena.2026.110264
- Wet-season observations of dissolved carbon and CO2–CH4 emissions in inland waters of the Lower Ogooué floodplain (Gabon) V. Nsa Assoumou et al. https://doi.org/10.1016/j.jhydrol.2026.136129
13 citations as recorded by crossref.
- Research trajectory and long-term trends of dissolved organic carbon in freshwater systems L. Hu & K. Shi https://doi.org/10.1039/D6EM00244G
- Summertime CO2 flux and its driving mechanisms in shellfish-dominated integrated multi-trophic aquaculture (IMTA) ponds C. Zhao et al. https://doi.org/10.1016/j.aquaculture.2026.743663
- Hydrological continuums across climate and permafrost gradients: Spatial patterns of organic carbon, greenhouse gases, and major and trace elements I. Krickov et al. https://doi.org/10.1016/j.watres.2026.125507
- Transformation of dissolved organic matter and associated metals in boreal mire and river waters: Effects of biota and sunlight O. Drozdova et al. https://doi.org/10.1016/j.watres.2025.123756
- A harmonized global prediction of biodegradable dissolved organic carbon in freshwater systems using optical indices and machine learning C. Lee et al. https://doi.org/10.1016/j.envres.2026.124308
- Unveiling the mechanistic in polarized light excited dissolved organic matter degrading contaminant: Energy transfer or electron transfer G. Wang et al. https://doi.org/10.1016/j.jece.2026.121805
- How the Physical and Chemical Properties Affect the Heavy Metal Content in Surface Water in Different Types of Peatlands S. Łyszczarz et al. https://doi.org/10.1002/ldr.70633
- pH control on the colloidal association of trace elements with iron and organic matter along the hydrological continuum of a tropical river floodplain V. Assoumou et al. https://doi.org/10.1016/j.scitotenv.2025.181000
- A review on the application of ultraviolet-visible spectrophotometry for analysis of dissolved organic matter in surface water B. Ishwah & M. Andrianova https://doi.org/10.1016/j.ecofro.2026.08.002
- Influence of Humic Substances on Phytoplankton Primary Production and Community Structure: A Review M. Golubkov https://doi.org/10.1134/S1995425525700866
- Greenhouse gases, organic carbon, major and trace elements in ultra-small water bodies (<100 m2) of permafrost peatlands: Assessment across seasons and permafrost gradient A. Lim et al. https://doi.org/10.1016/j.jhydrol.2025.133343
- Seasonal and spatial dynamics of greenhouse gases and organic carbon in peatland pools of western Siberia B. Mikhaleiko et al. https://doi.org/10.1016/j.catena.2026.110264
- Wet-season observations of dissolved carbon and CO2–CH4 emissions in inland waters of the Lower Ogooué floodplain (Gabon) V. Nsa Assoumou et al. https://doi.org/10.1016/j.jhydrol.2026.136129
Saved (final revised paper)
Latest update: 11 Sep 2026
Short summary
In the boreal humic waters of a forest lake and bog, the rate of dissolved organic matter photodegradation is 4 times higher than that of biodegradation. However, given the shallow, light-penetrating layer, the biodegradation provides the largest contribution to CO2 emissions from water surfaces. Trace metals were partially removed (1–10 %) during photodegradation and biodegradation via precipitation of Fe(III) hydroxides after destabilization of organoferric colloids and organic complexes.
In the boreal humic waters of a forest lake and bog, the rate of dissolved organic matter...
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